Calamos Advisors’s Icon ICLR Stock Holding History

Calamos Advisors’s Portfolio ICLR Stock Details ICLR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q3	–	Sell	-35,100	Closed	-$11.8M	–	968
2024 Q2	$11.8M	Sell	35,100 -400	-1%	-$125K	0.05%	361
2024 Q1	$10M	Buy	+35,500	New	+$10.5M	0.05%	398

Other funds holding ICLR

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

BWA

Brave Warrior Advisors New York $4.04B AUM 1.15% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

SHCM

Sachem Head Capital Management New York $4.15B AUM 48.05% 1-Year Est. Return

Calamos Advisors's ICLR Position: Q1 2026 in Review

Calamos Advisors sold out of Icon (ICLR) in Q1 2026, closing a stake of 26,500 shares — an estimated $4.83M sold.

Calamos Advisors first reported a position in ICLR in Q2 2013 and held it in 16 quarters. The position peaked at $22.3M in Q3 2024. 415 funds tracked by Wall St. Rank hold ICLR as of Q1 2026.

Calamos Advisors reported no remaining Icon position as of Q1 2026 after selling out during the quarter.
Calamos Advisors sold 26,500 Icon shares in Q1 2026, an estimated $4.83M.
Calamos Advisors first reported a position in Icon in Q2 2013 and held it in 16 quarters.
Calamos Advisors's Icon position peaked at $22.3M in Q3 2024.
415 funds tracked by Wall St. Rank held Icon as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.